@formily/shared
Version:
> Formily 工具函数集
83 lines • 2.36 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.isEmpty = exports.isValid = exports.isUndef = void 0;
var instanceof_1 = require("./instanceof");
var has = Object.prototype.hasOwnProperty;
var toString = Object.prototype.toString;
var isUndef = function (val) { return val === undefined; };
exports.isUndef = isUndef;
var isValid = function (val) { return val !== undefined && val !== null; };
exports.isValid = isValid;
function isEmpty(val, strict) {
if (strict === void 0) { strict = false; }
// Null and Undefined...
if (val == null) {
return true;
}
// Booleans...
if (typeof val === 'boolean') {
return false;
}
// Numbers...
if (typeof val === 'number') {
return false;
}
// Strings...
if (typeof val === 'string') {
return val.length === 0;
}
// Functions...
if (typeof val === 'function') {
return val.length === 0;
}
// Arrays...
if (Array.isArray(val)) {
if (val.length === 0) {
return true;
}
for (var i = 0; i < val.length; i++) {
if (strict) {
if (val[i] !== undefined && val[i] !== null) {
return false;
}
}
else {
if (val[i] !== undefined &&
val[i] !== null &&
val[i] !== '' &&
val[i] !== 0) {
return false;
}
}
}
return true;
}
// Errors...
if ((0, instanceof_1.instOf)(val, 'Error')) {
return val.message === '';
}
// Objects...
if (val.toString === toString) {
switch (val.toString()) {
// Maps, Sets, Files and Errors...
case '[object File]':
case '[object Map]':
case '[object Set]': {
return val.size === 0;
}
// Plain objects...
case '[object Object]': {
for (var key in val) {
if (has.call(val, key)) {
return false;
}
}
return true;
}
}
}
// Anything else...
return false;
}
exports.isEmpty = isEmpty;
//# sourceMappingURL=isEmpty.js.map